superhard
adjective
su·per·hard
ˌsü-pər-ˈhärd 
: extremely hard
One way to achieve such a high pressure … is to squeeze a sample between two superhard surfaces.—
William J. Nellis
William J. NellisExamples of superhard in a Sentence
Recent Examples on the Web
Disruptions in the supply of superhard materials could hinder the production of high-precision components, affecting industries that rely on advanced machining and tooling.
—Joseph Epstein, Newsweek, 10 Dec. 2024
Being a parent is superhard.
—Kate Siber, Outside Online, 13 June 2019
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Joseph Epstein, Newsweek, 10 Dec. 2024
Being a parent is superhard.
—Kate Siber, Outside Online, 13 June 2019
Cite this Entry
“Superhard.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/superhard. Accessed 25 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share